Security update for curl

This update for curl fixes the following issues:

Security issues fixed:

- CVE-2019-3823: Fixed a heap out-of-bounds read in the code handling the end-of-response for SMTP (bsc#1123378).
- CVE-2019-3822: Fixed a stack based buffer overflow in the function creating an outgoing NTLM type-3 message (bsc#1123377).
- CVE-2018-16890: Fixed a heap buffer out-of-bounds read in the function handling incoming NTLM type-2 messages (bsc#1123371).

This update was imported from the SUSE:SLE-15:Update update project.

Fixed bugs
bnc#1123378
VUL-1: EMBARGOED: CVE-2019-3823: curl: SMTP end-of-response out-of-bounds read
bnc#1123371
VUL-1: EMBARGOED: CVE-2018-16890: curl: NTLM type-2 out-of-bounds buffer read
bnc#1123377
VUL-0: EMBARGOED: CVE-2019-3822: curl: NTLMv2 type-3 header stack buffer overflow
Selected Binaries
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